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Loudspeakers

Wheelock SA-S self-amplified speakers

Wheelock SA-S supervised, self-amplified speakers are designed to meet the critical needs for the life safety industry. These indoor wall and ceiling-mount speakers are ideal for Sensitive Compartmented Information Facilities (SCIF) room applications.

The self-amplified speakers mount to a 4" square deep backbox with extension ring and SBB surface backbox.  Approval:  UL 1480. 

Mounting
Wall or Ceiling
Selectable Input level
0.5 or 25 V RMS
Frequency Range
400 Hz to 4000 Hz

Appliance Input Impedance

  • 0.5-V Setting: Greater than 400 Ohms or equivalent to less than 1/1000 W (0.001 W or 1 mW) load
  • 25-V Setting: Greater than 20 kOhms or equivalent to less than 1/32 W (.03125 W or 31.25 mW) load

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PRODUCT DETAILS

Wheelock SA-S self-amplified speakers

Catalog Number SA-S70-R, SA-S70-W, SA-S90-R, SA-S90-W  
Finish Color Red or White  
Mounting Wall, Ceiling  
Power Input Voltage 16.0 - 33.0 VDC, regulated  
Appliance Input Level: 0.5 VRMS or 25 VRMS  
Appliance Input Impedance 0.5 Setting: Greater than 400 Ohms, or equivalent to less than 1/1000 W (0.001 W or 1 mW) load; 25V Setting: Greater than 20 kOhms, or equivalent to less than 1/32 W (.03125 W or 31.25 mW) load  
Approvals UL Standard 1480  
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